Loaded 472,386 probes for 1029_11H-N1-BDNA-1_B23KGCJLT4_1
  5-feature GAM: R²=0.9678
Traceback (most recent call last):
  File "/usr/local/bin/normalize_sample.py", line 187, in <module>
    normalize_one_sample(
  File "/usr/local/bin/normalize_sample.py", line 121, in normalize_one_sample
    os.makedirs(os.path.dirname(output_path), exist_ok=True)
  File "<frozen os>", line 225, in makedirs
FileNotFoundError: [Errno 2] No such file or directory: ''